Frost dates in Blakesburg, IA
The average last spring frost in Blakesburg is around April 25 and the first fall frost is around October 12. That gives Blakesburg an average growing season of about 170 days.
Last spring frost
| Early (10% chance after) | April 11 |
|---|---|
| Average (50%) | April 25 |
| Late (90%) | May 10 |
First fall frost
| Early (10%) | September 26 |
|---|---|
| Average (50%) | October 12 |
| Late (90% chance before) | October 29 |